1. Introduction
This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your Sennheiser ACCENTUM Plus Wireless Bluetooth Headphones. Please read this manual carefully to ensure optimal performance and longevity of your device.
Image: Front view of the Sennheiser ACCENTUM Plus Wireless Bluetooth Headphones in black.
2. What's in the Box
Your Sennheiser ACCENTUM Plus package includes the following components:
- Sennheiser ACCENTUM Plus Headphones
- Carry case
- USB-C charging cable
- Audio cable (3.5mm and 2.5mm jacks)
3. Setup
3.1 Charging the Headphones
Before first use, fully charge your headphones. The ACCENTUM Plus features quick-charge technology.
- Connect the supplied USB-C charging cable to the headphone's charging port and to a power source.
- A 10-minute charge provides approximately 5 hours of playback.
- A full charge provides up to 50 hours of battery playtime.
Image: Sennheiser ACCENTUM Plus headphones highlighting ultra-fast charging and 50-hour battery life.
3.2 Bluetooth Pairing
- Ensure the headphones are powered off.
- Press and hold the power button until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "Sennheiser ACCENTUM Plus" from the list.
- Once connected, the LED indicator will flash blue.
3.3 Sennheiser Smart Control App
For advanced customization and features, download the Sennheiser Smart Control app from your device's app store. The app allows you to:
- Adjust the 5-band equalizer.
- Select customizable sound modes.
- Manage ANC and Transparency modes.
- Update headphone firmware.
4. Operating the Headphones
4.1 Touch Controls
The ACCENTUM Plus features intuitive touch controls on the earcups:
- Play/Pause: Tap once on the earcup.
- Adjust Volume: Slide finger up or down on the earcup.
- Next/Previous Track: Swipe forward or backward on the earcup.
- Answer/End Call: Tap once during an incoming call.
- Reject Call: Press and hold during an incoming call.
Image: Sennheiser ACCENTUM Plus headphones illustrating intuitive touch controls and ergonomic design.
4.2 Adaptive Hybrid Active Noise Cancellation (ANC) and Transparency Mode
The headphones offer Adaptive Hybrid ANC to reduce ambient noise and a Transparency Mode to hear your surroundings without removing the headphones.
- Activate/Deactivate ANC: Refer to the Smart Control app or specific button on the headphones (if applicable, check product for details).
- Activate Transparency Mode: Refer to the Smart Control app or specific button on the headphones.
Image: Sennheiser ACCENTUM Plus headphones demonstrating Hybrid Adaptive Noise Cancellation and Transparency Mode features.
4.3 Sound Customization
Utilize the Sennheiser Smart Control app to personalize your audio experience:
- 5-Band Equalizer: Fine-tune audio frequencies to your preference.
- Sound Modes: Choose from preset sound profiles or create your own.
Image: Sennheiser ACCENTUM Plus headphones showcasing sound customization options including equalizer and sound modes.
5. Maintenance
To ensure the longevity and optimal performance of your headphones, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the earcups and headband. Avoid harsh chemicals or abrasive materials.
- Storage: When not in use, store the headphones in the provided carry case to protect them from dust and damage.
- Avoid Moisture: Do not expose the headphones to water or excessive moisture.
- Temperature: Avoid storing or using the headphones in extreme temperatures.
6. Troubleshooting
If you encounter issues with your Sennheiser ACCENTUM Plus headphones, refer to the following common solutions:
| Problem | Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are charged. Connect to a power source using the USB-C cable. |
| Cannot pair via Bluetooth. |
|
| No sound or low volume. |
|
| ANC not working effectively. |
|
For further assistance, please visit the official Sennheiser support website or contact customer service.
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | ACCENTUM Plus |
| Connectivity Technology | Wireless (Bluetooth) |
| Wireless Communication Technology | Bluetooth 5.0 |
| Headphones Jack | 3.5 mm Jack, 2.5 mm Jack |
| Noise Control | Adaptive Noise Cancellation |
| Battery Life | Up to 50 Hours |
| Charging Time | Approx. 5 Hours (Full Charge), 10 min for 5 hours playback |
| Special Feature | Fast Charging |
| Control Method | Touch |
| Frequency Range | 20 Hz - 20,000 Hz |
| Audio Driver Type | Dynamic Driver |
| Earpiece Shape | Over Ear |
| Item Weight | 350 Grams (12.3 ounces) |
| Product Dimensions | 8.55 x 7.7 x 2.45 inches |
| Material | Plastic |
8. Warranty and Support
Sennheiser products are manufactured to the highest quality standards and come with a manufacturer's warranty. For detailed warranty information, please refer to the warranty card included with your product or visit the official Sennheiser website.
For technical support, product registration, or to download the latest firmware updates, please visit the Sennheiser Support Page.
